PAIR OF TELEFUNKEN ECC82 / 12AU7

TESTED TUBETESTER

DATA SHEET Ia =10.5 mA / S 2.2 mA

RESULTS TUBE 1 = Ia 12.0-12.3 mA S 2.5-2.4 mA/V 

RESULTS TUBE 2 = Ia 9.3-9.1 mA S 2.4-2.3 mA/V

LONG RIBBED PLATES, RING GETTER

DIAMOND ◊ BETWEEN THE PINS

MADE IN BERLIN GERMANY, 60's PRODUCTION

IN NEW TELEFUNKEN REPRO PAPER BOX